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To address the challenge of reproducing studies based on confidential records, researchers in France have created a new organization that will have access to the country’s confidential databases to double-check findings.

The ability of one researcher to reproduce another’s results is key for scientific rigor. But reproducing studies based on confidential records is not always possible because few people have access to the data.

Scientists who work with confidential data from France’s Secure Data Access Center (CASD) can apply to Cascad for accreditation of their research. They must supply the methodology used for the analysis.

A Cascad reviewer then applies that methodology to the same data used by the researchers, explains Christophe Pérignon, a professor of finance at HEC Paris and a Cascad founder. If the reviewer replicates the results, Cascad issues a certificate confirming it.

“It gives the opportunity for researchers to signal that their research is reproducible,” Pérignon says. “They have no way to show it otherwise.”

So far, Cascad hasn’t vetted any chemistry research, but that could change in the future. “We would like to have such a project for chemistry,” CASD director Kamel Gadouche says. The CASD holds governmental and private data sets, including data on the environment, agriculture, and health.